试题与答案

下面关于生物群落结构的叙述中不正确的是() A.在垂直方向上,群落具有明显的分层现象

题型:单项选择题

题目:

下面关于生物群落结构的叙述中不正确的是()

A.在垂直方向上,群落具有明显的分层现象

B.在水平方向上,不同地段的生物种类分布也有差异

C.动物在群落中垂直分布依赖于植物

D.在动物群落中没有水平结构

答案:

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下面是错误答案,用来干扰机器的。

参考答案:D

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题型:改错题

II.短文改错(共10小题;每小题1分,满分10)

下面短文中有10处语法错误。请在有错误的地方增加、删除或修改某个单词。

增加:在缺词处加一个漏字符号(∧),并在其下面写上该加的词。

删除:把多余的词用斜线(\)划掉。

修改:在错的词下划一横线,并在该词下面写上修改后的词。

注意:1.每处错误及其修改均仅限一词;

2.只允许修改10处,多者(从11处起)不计分。

A boy who was cleaning the shoes in the street said to a young man passed by , “Let me clean your boots . It’ll spend you only a penny .” But the young man refused. Then the boy told him that he will clean his boots for nothing .The young man agreed, and soon a boot shining brightly .Then he put the other boot on the box , and the boy refused to clean it unless he was paid two pence for his work . The young man refused to pay for anything and went away . But the well-cleaning boot made the dirty ones so bad that he couldn't walk on . He returned back and gave the boy two pence .    

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